monogenetic
adjective
mono·ge·net·ic ˌmä-nə-jə-ˈne-tik 
1
: relating to or involving monogenesis
2
: of, relating to, or being any of a class (Monogenea) of flatworms that ordinarily live as ectoparasites on a single host (such as a fish or amphibian) throughout their entire life cycle
Word History
First Known Use
1921, in the meaning defined at sense 1
Medical Definition
monogenetic
adjective
mono·ge·net·ic -jə-ˈnet-ik
1
: relating to or involving the origin of diverse individuals or kinds by descent from a single ancestral individual or kind
the entire present human population is monogenetic
2
: of, relating to, or being any platyhelminthic worm of the taxon Monogenea